Answer:
Volume of 22 drop will be 0.68 ml
Explanation:
We have given volume of one drop = 0.031 ml
We know that 1 liter = 1000 ml
So 
So 0.031 ml will be equal to 
We have to find the volume of 22 drop
For finding volume of 22 drop we have to multiply volume of one drop by 22
So volume of 22 drop will be 
So volume of 22 drop will be 0.68 ml
Answer:
d
Explanation:
According to me answer is d but gas expand more than others
Answer:

Explanation:
Some data in the problem are missing.
Missing values:
Radius of the cylinder: 13 cm
Height of the cylinder: 4 cm
The volume of a cylinder is given by

where
r is the radius of the base of the cylinder
h is the height of the cylinder
In this problem, we have:
r = 13 cm (radius)
h = 4 cm (height)
Therefore, the volume of the cylinder is:

Answer:18.5 kg
Explanation:
Given
diameter 
mass of stone 
velocity of stone 
height fallen 
using



Tension of string will Provide Torque to cylinder

where 



and 

Put value of T






It has a metallic luster
~ hope this helps ❤️